Question
There were some marbles in Bag P and Bag Q. After Valen transferred 15 of the marbles from Bag P to Bag Q, the ratio of the number of marbles in Bag P to that in Bag Q changed to 2 : 7. Find the ratio of the numbers of marbles in Bag P to the number of marbles in Bag Q at first.
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There were some marbles in Bag P and Bag Q. After Valen transferred 15 of the marbles from Bag P to Bag Q, the ratio of the number of marbles in Bag P to that in Bag Q changed to 2 : 7. Find the ratio of the numbers of marbles in Bag P to the number of marbles in Bag Q at first.